N,K = map(int,input().split())
S1 = "yuusaan"
S2 = "yuusaanuusaa"
K -= 1
n = N-1
length = ((n**2) -n + 1)*len(S2)

# if K > length:
#     index = K - length
#     print(S1[index])
# else:
index = K%len(S2)
print(S2[index])